<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data() {
    return {
        loginForm:{
            username: 'admin',
            password: '123456'
        },
        loginFormRules:{
            username:[
            { required: true, message: '请输入登录名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
            ],
            password:[
            { required: true, message: '请输入登录密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
            ]
        }
    }
},
methods:{
    resetLoginForm(){
        this.$refs.loginFormRef.resetFields();
    },
    login(){
        this.$refs.loginFormRef.validate(async valid =>{
            if(!valid)return;
           const {data:res} = await this.$http.post('login',this.loginForm);
           if(res.meta.status !==200) return this.$message.error('登陆失败');
           this.$message.success('登陆成功');
           window.sessionStorage.setItem('token',res.data.token);
           this.$router.push('/home');
        });
    }
}
};

</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height:100%;
}

.login_box{
    width:450px;
    height:300px;
    background-color:#fff;
    border-radius:3px;
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    .avatar_box{
        height:130px;
        width:130px;
        border:1px solid #eee;
        border-radius:50%;
        padding:10px;
        box-shadow:0 0 10px #ddd;
        position:absolute;
        left:50%;
        transform:translate(-50%,-50%);
        background-color:#fff;
        img{
            width:100%;
            height:100%;
            border-radius:50%;
            background-color:#eee;
        }
    }
}
.login_form{
    position:absolute;
    bottom:0px;
    width:100%;
    padding:0 20px;
    box-sizing:border-box;
}
.btns{
    display: flex;
    justify-content:flex-end;
}
</style>